\begin{table}%t1
%\centering
\par
\caption{\label{tab:fib}Rejection ratio of a three-beam multi-axial nulling interferometer when the output is coupled to a chalcogenide (mid-IR) or standard (visible) single-mode optical fiber.}
\small 
\begin{tabular}{lccccc}
\hline\hline
& $\lambda$ & Acceptance angle & ${n}_{\rm{clad}}$ & 
\begin{tabular}{c}Rejection ratio\\
(No Interface)
\end{tabular} & \begin{tabular}{c}Rejection ratio\\
(Interface)\end{tabular} \\[1mm]
\hline
Standard fiber & 600~nm & 0.125 & 1.45 & $4.9\times10^6$ & $1.6\times10^8$\\[1mm]
%\hline
Chalcogenide fiber & 10.6~$\mu$m & 0.13 & 2.927 & $4.7\times10^6$ & $1.7\times10^7$\\[1mm]
\hline
\end{tabular}
\end{table}